| /* Test and measure strspn functions. |
| Copyright (C) 1999-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Written by Jakub Jelinek <jakub@redhat.com>, 1999. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #define TEST_MAIN |
| #ifndef WIDE |
| # define TEST_NAME "strspn" |
| #else |
| # define TEST_NAME "wcsspn" |
| #endif /* WIDE */ |
| #include "test-string.h" |
| |
| #ifndef WIDE |
| # define STRSPN strspn |
| # define CHAR char |
| # define UCHAR unsigned char |
| # define SIMPLE_STRSPN simple_strspn |
| # define STUPID_STRSPN stupid_strspn |
| # define STRLEN strlen |
| # define STRCHR strchr |
| # define BIG_CHAR CHAR_MAX |
| # define SMALL_CHAR 127 |
| #else |
| # include <wchar.h> |
| # define STRSPN wcsspn |
| # define CHAR wchar_t |
| # define UCHAR wchar_t |
| # define SIMPLE_STRSPN simple_wcsspn |
| # define STUPID_STRSPN stupid_wcsspn |
| # define STRLEN wcslen |
| # define STRCHR wcschr |
| # define BIG_CHAR WCHAR_MAX |
| # define SMALL_CHAR 1273 |
| #endif /* WIDE */ |
| |
| typedef size_t (*proto_t) (const CHAR *, const CHAR *); |
| size_t SIMPLE_STRSPN (const CHAR *, const CHAR *); |
| size_t STUPID_STRSPN (const CHAR *, const CHAR *); |
| |
| IMPL (STUPID_STRSPN, 0) |
| IMPL (SIMPLE_STRSPN, 0) |
| IMPL (STRSPN, 1) |
| |
| size_t |
| SIMPLE_STRSPN (const CHAR *s, const CHAR *acc) |
| { |
| const CHAR *r, *str = s; |
| CHAR c; |
| |
| while ((c = *s++) != '\0') |
| { |
| for (r = acc; *r != '\0'; ++r) |
| if (*r == c) |
| break; |
| if (*r == '\0') |
| return s - str - 1; |
| } |
| return s - str - 1; |
| } |
| |
| size_t |
| STUPID_STRSPN (const CHAR *s, const CHAR *acc) |
| { |
| size_t ns = STRLEN (s), nacc = STRLEN (acc); |
| size_t i, j; |
| |
| for (i = 0; i < ns; ++i) |
| { |
| for (j = 0; j < nacc; ++j) |
| if (s[i] == acc[j]) |
| break; |
| if (j == nacc) |
| return i; |
| } |
| return i; |
| } |
| |
| static void |
| do_one_test (impl_t *impl, const CHAR *s, const CHAR *acc, size_t exp_res) |
| { |
| size_t res = CALL (impl, s, acc); |
| if (res != exp_res) |
| { |
| error (0, 0, "Wrong result in function %s %p %p", impl->name, |
| (void *) res, (void *) exp_res); |
| ret = 1; |
| return; |
| } |
| } |
| |
| static void |
| do_test (size_t align, size_t pos, size_t len) |
| { |
| size_t i; |
| CHAR *acc, *s; |
| |
| align &= 7; |
| if ((align + pos + 10) * sizeof (CHAR) >= page_size || len > 240 || ! len) |
| return; |
| |
| acc = (CHAR *) (buf2) + (random () & 255); |
| s = (CHAR *) (buf1) + align; |
| |
| for (i = 0; i < len; ++i) |
| { |
| acc[i] = random () & BIG_CHAR; |
| if (!acc[i]) |
| acc[i] = random () & BIG_CHAR; |
| if (!acc[i]) |
| acc[i] = 1 + (random () & SMALL_CHAR); |
| } |
| acc[len] = '\0'; |
| |
| for (i = 0; i < pos; ++i) |
| s[i] = acc[random () % len]; |
| s[pos] = random () & BIG_CHAR; |
| if (STRCHR (acc, s[pos])) |
| s[pos] = '\0'; |
| else |
| { |
| for (i = pos + 1; i < pos + 10; ++i) |
| s[i] = random () & BIG_CHAR; |
| s[i] = '\0'; |
| } |
| |
| FOR_EACH_IMPL (impl, 0) |
| do_one_test (impl, s, acc, pos); |
| } |
| |
| static void |
| do_random_tests (void) |
| { |
| size_t i, j, n, align, pos, alen, len; |
| UCHAR *p = (UCHAR *) (buf1 + page_size) - 512; |
| UCHAR *acc; |
| |
| for (n = 0; n < ITERATIONS; n++) |
| { |
| align = random () & 15; |
| if (random () & 1) |
| alen = random () & 63; |
| else |
| alen = random () & 15; |
| if (!alen) |
| pos = 0; |
| else |
| pos = random () & 511; |
| if (pos + align >= 511) |
| pos = 510 - align - (random () & 7); |
| len = random () & 511; |
| if (len + align >= 512) |
| len = 511 - align - (random () & 7); |
| acc = (UCHAR *) (buf2 + page_size) - alen - 1 - (random () & 7); |
| for (i = 0; i < alen; ++i) |
| { |
| acc[i] = random () & BIG_CHAR; |
| if (!acc[i]) |
| acc[i] = random () & BIG_CHAR; |
| if (!acc[i]) |
| acc[i] = 1 + (random () & SMALL_CHAR); |
| } |
| acc[i] = '\0'; |
| j = (pos > len ? pos : len) + align + 64; |
| if (j > 512) |
| j = 512; |
| |
| for (i = 0; i < j; i++) |
| { |
| if (i == len + align) |
| p[i] = '\0'; |
| else if (i == pos + align) |
| { |
| p[i] = random () & BIG_CHAR; |
| if (STRCHR ((CHAR *) acc, p[i])) |
| p[i] = '\0'; |
| } |
| else if (i < align || i > pos + align) |
| p[i] = random () & BIG_CHAR; |
| else |
| p[i] = acc [random () % alen]; |
| } |
| |
| FOR_EACH_IMPL (impl, 1) |
| if (CALL (impl, (CHAR *) (p + align), |
| (CHAR *) acc) != (pos < len ? pos : len)) |
| { |
| error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %p, %zd, %zd, %zd) %zd != %zd", |
| n, impl->name, align, acc, alen, pos, len, |
| CALL (impl, (CHAR *) (p + align), (CHAR *) acc), |
| (pos < len ? pos : len)); |
| ret = 1; |
| } |
| } |
| } |
| |
| int |
| test_main (void) |
| { |
| size_t i; |
| |
| test_init (); |
| |
| printf ("%32s", ""); |
| FOR_EACH_IMPL (impl, 0) |
| printf ("\t%s", impl->name); |
| putchar ('\n'); |
| |
| for (i = 0; i < 32; ++i) |
| { |
| do_test (0, 512, i); |
| do_test (i, 512, i); |
| } |
| |
| for (i = 1; i < 8; ++i) |
| { |
| do_test (0, 16 << i, 4); |
| do_test (i, 16 << i, 4); |
| } |
| |
| for (i = 1; i < 8; ++i) |
| do_test (i, 64, 10); |
| |
| for (i = 0; i < 64; ++i) |
| do_test (0, i, 6); |
| |
| do_random_tests (); |
| return ret; |
| } |
| |
| #include <support/test-driver.c> |